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The 71904 ACEGB/P4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1053 lbf and spins smoothly at speeds up to 75,000 RPM.
With a 25° contact angle and light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure reliable operation in temperatures from -30°C to 110°C.
This bearing is ideal for high-speed machinery like spindles or CNC tools, where accuracy is crucial. Weighing just 0.036kg, it’s lightweight yet robust for its size.
It can be paired in back-to-back, face-to-face, or tandem arrangements, making it versatile for various setups. Compatible with SKF bearings for easy replacement.
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Performance Features of 71904 ACEGB/P4A Bearing
71904 ACEGB/P4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.
With a dynamic radial load capacity of 1053 lbf, it performs reliably in high-precision applications.
The P4A tolerance class guarantees exceptional accuracy, making it suitable for demanding tasks.
71904 ACEGB/P4A Bearing operates at speeds up to 75,000 rpm, balancing speed and precision.
Its lightweight design at 0.036 kg ensures minimal inertia, enhancing performance in high-speed scenarios.
Key Fields for 71904 ACEGB/P4A Bearing
71904 ACEGB/P4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The light preload helps maintain stability during rapid movements.
In robotics, 71904 ACEGB/P4A Bearing supports articulated arms, providing smooth motion control. Its phenolic cage reduces friction, making it suitable for repetitive tasks.
For dental drills, 71904 ACEGB/P4A Bearing offers reliable performance due to its chrome steel construction. The open design allows for easy lubrication, extending service life.
Where Is 71904 ACEGB/P4A Bearing Used?
You’ll find 71904 ACEGB/P4A Bearing in CNC machining centres, where its high-speed capability and precision are key. The 25° contact angle helps handle combined loads effectively.
In optical equipment, 71904 ACEGB/P4A Bearing ensures minimal vibration for clear imaging. Its P4A tolerance class guarantees consistent performance in sensitive applications.
Built for Heavy-Duty Use: 71904 ACEGB/P4A Bearing
71904 ACEGB/P4A Bearing works well in pump systems, handling both radial and axial loads. The chrome steel balls enhance durability in demanding conditions.
For electric motors, 71904 ACEGB/P4A Bearing reduces energy loss thanks to its low-friction design. The metric sizing fits seamlessly into various industrial setups.
Automotive vs Aerospace: Applications of 71904 ACEGB/P4A Bearing
In automotive transmissions, 71904 ACEGB/P4A Bearing supports smooth gear shifts with its angular contact design. The light preload ensures quiet operation.
Aerospace actuators benefit from 71904 ACEGB/P4A Bearing’s high-speed tolerance and precision. Its temperature range suits both ground and flight conditions.
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